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Policy-Adaptive Estimator Selection for Off-Policy Evaluation

AAAI 2023 · Reinforcement learning › Policy gradient and actor-critic · approach: Confidence intervals and OPE benchmarks · 10 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use adaptive importance fitting and subsampling instead of a non-adaptive heuristicOPE estimator selection · Real-world e-commerce, evaluation policy j=1Relative Regret (e): 1.755 → 1.609Helped
Use adaptive importance fitting and subsampling instead of a non-adaptive heuristicOPE estimator selection · Real-world e-commerce, evaluation policy j=2Relative Regret (e): 1.827 → 0.691Helped
Use adaptive importance fitting and subsampling instead of a non-adaptive heuristicOPE estimator selection · Real-world e-commerce, evaluation policy j=3Rank Correlation (e): 0.015 → 0.124Helped
Use adaptive importance fitting and subsampling instead of a non-adaptive heuristicOff-policy policy selection · Synthetic OPS, (β1, β2)=(-2.0, 2.0)Relative Regret (p): 0.0341 → 0.0077Helped
Use adaptive importance fitting and subsampling instead of a non-adaptive heuristicOff-policy policy selection · Synthetic OPS, (β1, β2)=(-2.0, 2.0)Rank Correlation (p): 0.7452 → 0.9619Helped
Use adaptive importance fitting and subsampling instead of a non-adaptive heuristicOff-policy policy selection · Synthetic OPS, (β1, β2)=(3.0, 7.0)Relative Regret (p): 0.0325 → 0.0230Helped
Use adaptive importance fitting and subsampling instead of a non-adaptive heuristicOff-policy policy selection · Synthetic OPS, (β1, β2)=(3.0, 7.0)Rank Correlation (p): 0.778 → 0.972Helped

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